diff --git a/testing/variations/fieldtrial_testing_config_android.json b/testing/variations/fieldtrial_testing_config_android.json
index ea5bf4273c589e..9b635f60057915 100644
--- a/testing/variations/fieldtrial_testing_config_android.json
+++ b/testing/variations/fieldtrial_testing_config_android.json
@@ -230,10 +230,12 @@
                 "HalfLifeSeconds": "60",
                 "None.DefaultMedianKbps": "567",
                 "None.DefaultMedianRTTMsec": "272",
+                "Slow2G.ThresholdMedianHttpRTTMsec": "2000",
                 "Unknown.DefaultMedianKbps": "1916",
                 "Unknown.DefaultMedianRTTMsec": "121",
                 "WiFi.DefaultMedianKbps": "2736",
-                "WiFi.DefaultMedianRTTMsec": "168"
+                "WiFi.DefaultMedianRTTMsec": "168",
+                "correlation_logging_probability": "0.001"
             }
         }
     ],
diff --git a/testing/variations/fieldtrial_testing_config_win.json b/testing/variations/fieldtrial_testing_config_win.json
index 72c5f5031235f2..4a7d346f9453e3 100644
--- a/testing/variations/fieldtrial_testing_config_win.json
+++ b/testing/variations/fieldtrial_testing_config_win.json
@@ -178,10 +178,12 @@
                 "HalfLifeSeconds": "60",
                 "None.DefaultMedianKbps": "567",
                 "None.DefaultMedianRTTMsec": "272",
+                "Slow2G.ThresholdMedianHttpRTTMsec": "2000",
                 "Unknown.DefaultMedianKbps": "1916",
                 "Unknown.DefaultMedianRTTMsec": "121",
                 "WiFi.DefaultMedianKbps": "2736",
-                "WiFi.DefaultMedianRTTMsec": "168"
+                "WiFi.DefaultMedianRTTMsec": "168",
+                "correlation_logging_probability": "0.001"
             }
         }
     ],